<?xml version="1.0" encoding="UTF-8"?>
<link:linkbase
	xmlns:detf="http://detf/20180301"
	xmlns:link="http://www.xbrl.org/2003/linkbase"
	xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
	xmlns:dei="http://xbrl.sec.gov/dei/2012-01-31"
	xmlns:rr="http://xbrl.sec.gov/rr/2012-01-31"
	xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:xbrli="http://www.xbrl.org/2003/instance"
	xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
	xmlns:xlink="http://www.w3.org/1999/xlink">

  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/Series" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#SeriesOnly"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/Class" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#ClassOnly"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/PerformanceMeasure" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#PerformanceMeasureOnly"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/Prospectus" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#ProspectusOnly"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ExpenseExample" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#ExpenseExample"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#ExpenseExampleNoRedemption"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/PerformanceTableData" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#PerformanceTableData"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/RiskReturnDetailData" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#RiskReturnDetailData"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/BarChartData" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#BarChartData"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/OperatingExpensesData" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#OperatingExpensesData"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/RiskReturn" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#RiskReturn"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/RiskReturnDetail" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#RiskReturnDetail"/>
  <link:roleRef roleURI="http://xbrl.sec.gov/rr/role/ShareholderFeesData" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#ShareholderFeesData"/>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExample">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleAbstract" xlink:label="ExpenseExampleAbstract"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear01" xlink:label="ExpenseExampleYear01"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear03" xlink:label="ExpenseExampleYear03"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear05" xlink:label="ExpenseExampleYear05"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear10" xlink:label="ExpenseExampleYear10"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>

    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear01" use="prohibited" priority="0" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear03" use="prohibited" priority="0" order="3.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear05" use="prohibited" priority="0" order="4.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear10" use="prohibited" priority="0" order="5.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExample">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleAbstract" xlink:label="ExpenseExampleAbstract"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear01" xlink:label="ExpenseExampleYear01"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear03" xlink:label="ExpenseExampleYear03"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear05" xlink:label="ExpenseExampleYear05"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleYear10" xlink:label="ExpenseExampleYear10"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear01" priority="1" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear03" priority="1" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear05" priority="1" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleAbstract" xlink:to="ExpenseExampleYear10" priority="1" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionAbstract" xlink:label="ExpenseExampleNoRedemptionAbstract"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear01" xlink:label="ExpenseExampleNoRedemptionYear01"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear03" xlink:label="ExpenseExampleNoRedemptionYear03"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear05" xlink:label="ExpenseExampleNoRedemptionYear05"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear10" xlink:label="ExpenseExampleNoRedemptionYear10"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>

    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear01" use="prohibited" priority="0" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear03" use="prohibited" priority="0" order="3.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear05" use="prohibited" priority="0" order="4.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear10" use="prohibited" priority="0" order="5.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionAbstract" xlink:label="ExpenseExampleNoRedemptionAbstract"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear01" xlink:label="ExpenseExampleNoRedemptionYear01"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear03" xlink:label="ExpenseExampleNoRedemptionYear03"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear05" xlink:label="ExpenseExampleNoRedemptionYear05"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ExpenseExampleNoRedemptionYear10" xlink:label="ExpenseExampleNoRedemptionYear10"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear01" priority="1" order="6.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear03" priority="1" order="7.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear05" priority="1" order="8.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExpenseExampleNoRedemptionAbstract" xlink:to="ExpenseExampleNoRedemptionYear10" priority="1" order="9.0" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Series">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="0.0"/>
  </link:presentationLink>

<!-- davis select us equity etf class -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Class">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="0.1"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/PerformanceTableData">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureAxis" xlink:label="PerformanceMeasureAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureDomain" xlink:label="PerformanceMeasureDomain"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_AfterTaxesOnDistributionsMember" xlink:label="AfterTaxesOnDistributionsMember"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_AfterTaxesOnDistributionsAndSalesMember" xlink:label="AfterTaxesOnDistributionsAndSalesMember"/>
<!--
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_SnPIndexMember" xlink:label="SnPIndexMember"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_WilsREIndexMember" xlink:label="WilsREIndexMember"/>
-->
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="PerformanceMeasureDomain" use="optional" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="AfterTaxesOnDistributionsMember" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="AfterTaxesOnDistributionsAndSalesMember" use="optional" order="3.0"/>
<!--
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="SnPIndexMember" order="4.1"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="WilsREIndexMember" order="4.3"/>
-->
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/RiskReturnDetailData">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureAxis" xlink:label="PerformanceMeasureAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureDomain" xlink:label="PerformanceMeasureDomain"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_AfterTaxesOnDistributionsMember" xlink:label="AfterTaxesOnDistributionsMember"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_AfterTaxesOnDistributionsAndSalesMember" xlink:label="AfterTaxesOnDistributionsAndSalesMember"/>
<!--
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_SnPIndexMember" xlink:label="SnPIndexMember"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_WilsREIndexMember" xlink:label="WilsREIndexMember"/>
-->
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="PerformanceMeasureDomain" use="optional" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="AfterTaxesOnDistributionsMember" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="AfterTaxesOnDistributionsAndSalesMember" use="optional" order="3.0"/>
<!--
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="SnPIndexMember" order="4.1"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="WilsREIndexMember" order="4.3"/>
-->
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/RiskReturn">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/ShareholderFeesData">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/OperatingExpensesData">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/BarChartData">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/RiskReturnDetail">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureAxis" xlink:label="PerformanceMeasureAxis"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055342Member" xlink:label="S000055342Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ShareClassDomain" xlink:label="ShareClassDomain"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174138Member" xlink:label="C000174138Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureDomain" xlink:label="PerformanceMeasureDomain"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_AfterTaxesOnDistributionsMember" xlink:label="AfterTaxesOnDistributionsMember"/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_AfterTaxesOnDistributionsAndSalesMember" xlink:label="AfterTaxesOnDistributionsAndSalesMember"/>
<!--
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_SnPIndexMember" xlink:label="SnPIndexMember"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_WilsREIndexMember" xlink:label="WilsREIndexMember"/>
-->
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055342Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="ShareClassDomain" use="optional" order="4.01"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174138Member" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="1.3"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="1.5"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="1.7"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="PerformanceMeasureDomain" use="optional" order="1.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="AfterTaxesOnDistributionsMember" use="optional" order="2.0"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="AfterTaxesOnDistributionsAndSalesMember" use="optional" order="3.0"/>
<!--
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="SnPIndexMember" order="4.1"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="WilsREIndexMember" order="4.3"/>
-->
  </link:presentationLink>

<!-- davis select financial etf -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Series">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055343Member" xlink:label="S000055343Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055343Member" order="0.3"/>
  </link:presentationLink>

<!-- davis select financial etf class -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Class">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174139Member" xlink:label="C000174139Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174139Member" order="0.14"/>
  </link:presentationLink>

<!-- davis select world wide etf -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Series">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000055344Member" xlink:label="S000055344Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000055344Member" order="0.5"/>
  </link:presentationLink>

<!-- davis select world wide etf class -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Class">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000174140Member" xlink:label="C000174140Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000174140Member" order="0.16"/>
  </link:presentationLink>

<!-- davis select international etf -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Series">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_S000061340Member" xlink:label="S000061340Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LegalEntityAxis" xlink:to="S000061340Member" order="0.7"/>
  </link:presentationLink>

<!-- davis select world wide etf class -->
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/Class">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_ProspectusShareClassAxis" xlink:label="ProspectusShareClassAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_C000198594Member" xlink:label="C000198594Member"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ProspectusShareClassAxis" xlink:to="C000198594Member" order="0.17"/>
  </link:presentationLink>


<!-- indices -->
<!--
  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/PerformanceMeasure">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureAxis" xlink:label="PerformanceMeasureAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_WilsREIndexMember" xlink:label="WilsREIndexMember"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="WilsREIndexMember" order="4.5"/>
  </link:presentationLink>

  <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/PerformanceMeasure">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/rr/2012/rr-2012-01-31.xsd#rr_PerformanceMeasureAxis" xlink:label="PerformanceMeasureAxis"/>
    <link:loc xlink:type="locator" xlink:href="detf-20180301.xsd#detf_SnPIndexMember" xlink:label="SnPIndexMember"/>
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="PerformanceMeasureAxis" xlink:to="SnPIndexMember" order="5.5"/>
  </link:presentationLink>
-->


</link:linkbase>
